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362834 (2012 AE21)
Classification: Main-belt Asteroid          SPK-ID: 2362834
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .142301074230354 6.314e-08  
a 3.112334554063166 5.192e-08 au
q 2.669446003655727 2.1096e-07 au
i 8.068358193485654 7.6887e-06 deg
node 168.5011609062142 4.554e-05 deg
peri 332.0923164133656 5.2655e-05 deg
M 240.7317723411338 3.161e-05 deg
tp 2460060.931331191581
(2023-Apr-26.43133119)
0.00018757 TDB
period 2005.523884475933
5.49
5.0184e-05
1.374e-07
d
yr
n .1795042197136796 4.4917e-09 deg/d
Q 3.555223104470604 5.9308e-08 au
  Orbit Determination Parameters
   # obs. used (total)      149  
   data-arc span      5394 days (14.77 yr)  
   first obs. used      2005-12-07  
   last obs. used      2020-09-13  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .62391  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 09:41:00  

Additional Information
 Earth MOID = 1.6859 au 
 Jupiter MOID = 1.47737 au 
 T_jup = 3.188 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457551.5 (2016-Jun-12.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1366881212392434 6.2291e-08  
q 2.692611360130541 2.0736e-07 au
tp 2458044.598800965150
(2017-Oct-18.09880097)
0.00016494 TDB
node 168.9440777900515 4.5682e-05 deg
peri 330.6773590545634 5.3575e-05 deg
i 8.045331514873242 7.6738e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      149  
   data-arc span      5394 days (14.77 yr)  
   first obs. used      2005-12-07  
   last obs. used      2020-09-13  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .62391  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 09:41:00  

Additional Information
 Jupiter MOID = 1.47737 au 
 T_jup = 3.188 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.880150636572027E-15 -1.262128116662585E-14 5.840863300370814E-13 9.304394343326653E-15 1.290966990490553E-13 -4.586672852174661E-15
q -1.262128116662585E-14 4.299637958474084E-14 2.023997529036508E-12 -2.403130249492279E-14 1.442060951347136E-13 1.945555185790047E-14
tp 5.840863300370814E-13 2.023997529036508E-12 2.720400008837361E-8 2.824213733811142E-11 4.646508202127445E-9 5.07216667271615E-12
node 9.304394343326653E-15 -2.403130249492279E-14 2.824213733811142E-11 2.086864713449861E-9 -2.060441023623436E-9 2.355786125800661E-11
peri 1.290966990490553E-13 1.442060951347136E-13 4.646508202127445E-9 -2.060441023623436E-9 2.870240450254767E-9 -2.268217241149205E-11
i -4.586672852174661E-15 1.945555185790047E-14 5.07216667271615E-12 2.355786125800661E-11 -2.268217241149205E-11 5.888756628374665E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.02   n/a E2021B25  
diameter diameter 3.781 km 1.016 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.065   0.038 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

362834 (2012 AE21)          Discovered 2007-Feb-17 by Spacewatch at Kitt Peak
Reference: Last Updated: 2013-04-29

[ show close-approach data ]
Alternate Designations
 2012 AE21 = 2010 OM53 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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